package com.example.administrator.officeplatform;

import android.app.AlertDialog.Builder;
import android.app.Dialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.net.Uri;
import android.os.Handler;
import android.os.Message;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.ProgressBar;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;

public class UpdateManager {
	private String[] mitemList={""};//列表
	private Context mContext;
	// 提示语
	private String updateMsg = "有最新的软件包哦，亲快下载吧~";
	// 返回的安装包url
	// private String apkUrl =GetUrl.GetApkUrl();
	private String apkUrl;
	private Dialog noticeDialog;
	private Dialog downloadDialog;
	/* 下载包安装路径 */
	private static final String savePath = "/sdcard/";
	private static final String saveFileName = savePath + "DMS.apk";
	/* 进度条与通知ui刷新的handler和msg常量 */
	private ProgressBar mProgress;
	private static final int DOWN_UPDATE = 1;
	private static final int DOWN_OVER = 2;
	private int progress;
	private Thread downLoadThread;
	private boolean interceptFlag = false;
	private Handler mHandler = new Handler() {
		public void handleMessage(Message msg) {
			switch (msg.what) {
				case DOWN_UPDATE:
					mProgress.setProgress(progress);
					break;
				case DOWN_OVER:
					installApk();
					break;
				default:
					break;
			}
		};
	};

	public UpdateManager(Context context) {
		this.mContext = context;
//		apkUrl= PropertiesUtil.Read("SERVICE_URL1")+ PropertiesUtil.Read("APK_URL1");
		apkUrl="http://103.239.152.13:8870/utils/reimbursement.apk";//正是服务器
//		apkUrl="http://139.129.216.151:56788//scms/apk/DMS.apk";//正是服务器
		//apkUrl="http://192.168.5.20:8080//scms/apk/DMS.apk";//测试服务器

	}

	public void checkUpdateInfo(String[] itemList) {
		mitemList = itemList;
		showNoticeDialog();
	}
	private void showNoticeDialog() {


		//更新内容列表

//		AlertDialog.Builder builder=new AlertDialog.Builder(mContext);
//		builder.setTitle("更新内容");//设置标题
//		builder.setItems(mitemList,new DialogInterface.OnClickListener() {
//			@Override
//			public void onClick(DialogInterface dialog, int which) {
//			}
//		});
//		/*添加对话框中取消按钮点击事件*/
//		builder.setNegativeButton("确定更新",new DialogInterface.OnClickListener() {
//			@Override
//			public void onClick(DialogInterface dialog, int which) {
//				dialog.dismiss();//关闭对话框
//				showDownloadDialog();
//
//			}
//		});
//		AlertDialog dialog=builder.create();//获取dialog
//		dialog.show();//显示对话框
		Builder builder = new Builder(mContext);
		builder.setTitle("软件版本更新");
		builder.setMessage(updateMsg);
		builder.setPositiveButton("下载", new OnClickListener() {

			@Override

			public void onClick(DialogInterface dialog, int which) {
				dialog.dismiss();
				showDownloadDialog();
			}
		});
		builder.setNegativeButton("以后再说", new OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				dialog.dismiss();

			}
		});
		noticeDialog = builder.create();
		noticeDialog.show();
	}

	private void showDownloadDialog() {
		Builder builder = new Builder(mContext);
		builder.setTitle("软件版本更新");

		final LayoutInflater inflater = LayoutInflater.from(mContext);
		View v = inflater.inflate(R.layout.progress, null);
		mProgress = (ProgressBar) v.findViewById(R.id.progress);

		builder.setView(v);
		builder.setNegativeButton("取消", new OnClickListener() {
			@Override
			public void onClick(DialogInterface dialog, int which) {
				dialog.dismiss();
				interceptFlag = true;
			}
		});
		downloadDialog = builder.create();
		downloadDialog.show();

		downloadApk();
	}

	private Runnable mdownApkRunnable = new Runnable() {
		@Override
		public void run() {
			try {
				URL url = new URL(apkUrl);

				HttpURLConnection conn = (HttpURLConnection) url
						.openConnection();
				conn.connect();
				int length = conn.getContentLength();
				InputStream is = conn.getInputStream();

				File file = new File(savePath);
				if (!file.exists()) {
					file.mkdir();
				}
				String apkFile = saveFileName;
				File ApkFile = new File(apkFile);
				FileOutputStream fos = new FileOutputStream(ApkFile);

				int count = 0;
				byte buf[] = new byte[1024];

				do {
					int numread = is.read(buf);
					count += numread;
					progress = (int) (((float) count / length) * 100);
					// 更新进度
					mHandler.sendEmptyMessage(DOWN_UPDATE);
					if (numread <= 0) {
						// 下载完成通知安装
						mHandler.sendEmptyMessage(DOWN_OVER);
						break;
					}
					fos.write(buf, 0, numread);
				} while (!interceptFlag);// 点击取消就停止下载.

				fos.close();
				is.close();
			} catch (MalformedURLException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			}

		}
	};

	/**
	 * 下载apk
	 *
	 */

	private void downloadApk() {
		downLoadThread = new Thread(mdownApkRunnable);
		downLoadThread.start();
	}

	/**
	 * 安装apk
	 *
	 */
	private void installApk() {
		File apkfile = new File(saveFileName);
		if (!apkfile.exists()) {
			return;
		}
		Intent i = new Intent(Intent.ACTION_VIEW);
		i.setDataAndType(Uri.parse("file://" + apkfile.toString()),
				"application/vnd.android.package-archive");
		mContext.startActivity(i);
	}
}